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(01-09-2015, 04:43 PM)sumzzzs Wrote: " Might of found the answer in "Beginners Guide to Sleepyhead: RobySue being author? It states that these PR system one clocks internally are off the author's being 23 min. Mine is about the same, so I should leave that clock setting at 0 correct?

I don't think that's correct. If your clock is off by 23 minutes you need to set the clock drift in Sleepyhead to 23 x 60 = 1380 seconds (same as RobySue in that SH thread). In the latest version 0.9.8-1 you can use hours, minutes & seconds. You can also set negative and positive values depending on whether the CPAP clock is running fast or slow.

To establish if your clock has drifted, turn the machine on at a very specific time (eg 10:00pm exactly) so you have a base time to calibrate to. (Or turn it off at a very specific time, works just as well).

INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.

(01-09-2015, 04:43 PM)sumzzzs Wrote: " Might of found the answer in "Beginners Guide to Sleepyhead: RobySue being author? It states that these PR system one clocks internally are off the author's being 23 min. Mine is about the same, so I should leave that clock setting at 0 correct?

I don't think that's correct. If your clock is off by 23 minutes you need to set the clock drift in Sleepyhead to 23 x 60 = 1380 seconds (same as RobySue in that SH thread). In the latest version 0.9.8-1 you can use hours, minutes & seconds. You can also set negative and positive values depending on whether the CPAP clock is running fast or slow.

To establish if your clock has drifted, turn the machine on at a very specific time (eg 10:00pm exactly) so you have a base time to calibrate to. (Or turn it off at a very specific time, works just as well).

That is some great advice DeepBreathing that's exactly what I will do tonight. So if my CPAP clock is ahead than I use a negative value?

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INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.